Parts for your 2022 Honda Cr-v-Thermostat

2022 Honda CR‑V Thermostat: What It Does and When to Replace It

Technical references confirm a thermostat is fitted to every 2022 Honda CR‑V variant. Honda Service Information for the 2022 CR‑V and OEM parts catalogues list an engine coolant thermostat within the thermostat housing on both the 1.5‑litre VTEC Turbo and the 2.0‑litre e:HEV hybrid engines. So yes—the 2022 Honda CR‑V uses a thermostat.

In this CR‑V, the thermostat controls coolant flow so the engine warms up quickly, then holds a steady operating temperature. That sweet spot helps fuel economy, reduces emissions, protects the turbo and catalytic converter, and keeps cabin heat reliable on chilly mornings. Once the coolant reaches its designed temperature, the thermostat opens to let the radiator pull heat away, if temperature drops, it closes back down to prevent over‑cooling. When a thermostat sticks open or shut, owners can see slow warm‑up, a wandering temperature gauge, weak heater performance, poor fuel consumption, or even overheating. The engine computer may also log a P0128 code.

There’s no fixed replacement interval for a CR‑V thermostat—it’s usually changed when it fails or as smart preventative maintenance during major cooling system work. Many workshops recommend considering a new thermostat and housing seal when replacing the water pump or doing a full coolant service, particularly on higher‑kilometre vehicles. The 2022 CR‑V runs Honda Type 2 blue coolant, and following Honda’s coolant change intervals helps the thermostat live a long, drama‑free life.

When replacement is due, a quality OEM‑spec unit and a fresh O‑ring seal are non‑negotiable. A proper job typically involves draining the coolant, removing the intake ducting or other minor obstructions, unbolting the thermostat housing, cleaning mating surfaces, and installing the new thermostat with the jiggle valve correctly oriented (if applicable). Refilling with premixed Honda‑approved coolant and bleeding air carefully—ideally with a vacuum filler—prevents hot spots and nuisance temperature swings. Final checks should include leak inspection under the bonnet, a test drive to verify stable gauge behaviour, and a cold‑hot‑cold recheck of the overflow level. Hybrid models add electric pumps and valves in the thermal system, but they still use a conventional engine thermostat, the same best practices apply.

• Watch for leaks around the housing and hose joints.
• Use torque specs from Honda’s service data and avoid over‑tightening plastic housings.
• If the heater is lukewarm and the gauge sits low, suspect a stuck‑open thermostat.

Where is the thermostat on a 2022 Honda CR‑V?

It’s housed at the engine end of the lower radiator hose, integrated into a plastic alloy housing near the water pump on the front side of the engine. Access usually requires removing the intake duct and moving a few hoses for room.

What are common signs the thermostat needs replacing?

Slow warm‑up, fluctuating temperature gauge, poor cabin heat, overheating at speed or after a short stop, and a Check Engine Light with code P0128 are common clues. Coolant seepage around the housing or a collapsed lower hose can also appear.

Do hybrid 2022 CR‑V models have a thermostat too?

Yes. The 2.0‑litre e:HEV uses an engine thermostat alongside additional valves and electric pumps to manage engine and hybrid system temperatures. Diagnosis and replacement principles are broadly the same—just take care around extra hoses and components.